Add next-intl to internationalize our project

next-intl.config.js

@@ -0,0 +1,7 @@
+/** @type {import('next-intl').NextIntlConfig} */
+module.exports = {
+    locales: ['en', 'de', 'ru'],
+    defaultLocale: 'en',
+    // Directory where your message JSON files live
+    messagesDirectory: './messages'
+};